package com.tanhua.server.exception;


import com.tanhua.model.vo.ErrorResult;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;

/**
 * 自定义统一异常处理
 * 1.通过注解，声明异常处理类
 * 2.编写方法，在方法内部处理异常，构造响应数据
 * 3.方法上编写注解，指定此方法可以处理的异常类
 */
@ControllerAdvice
public class
ExceptionAdvice {

    //处理业务异常
    @ExceptionHandler(BusinessException.class)
    public ResponseEntity handlerException ( BusinessException be ){
        be.printStackTrace();
        ErrorResult errorResult = be.getErrorResult();
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorResult);
    }

    //处理不可预知的异常
    @ExceptionHandler(Exception.class)
    public ResponseEntity handlerException1(Exception e){
        e.printStackTrace();
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(ErrorResult.error());
    }
}
